Remove HDD in Fusion Drive

Discussion in 'iMac' started by Sid The Kid, Jul 10, 2017.

  1. Sid The Kid Suspended

    Jul 10, 2017

    Is it possible to remove the HDD in 2017 5K 27" Fusion Drive iMac? Is it true that the HDD and the SSD are separate and not attached together? How would the computer reacts with both Fusion Drive + SSD and no HDD? No need to remove Fusion Drive right?

    Also, is it possible to do this upgrade in the 2017 4K 21.5" Fusion Drive iMac?

    Thank you
  2. hfg macrumors 68040


    Dec 1, 2006
    Cedar Rapids, IA. USA
    The "Fusion" drive is a logical drive composed of a physical SSD and a physical Hard Disk joined with software. They are not attached to each other as in a hybrid drive. You can use terminal to separate the logical Fusion drive into separate SSD and HardDisk volumes, and doing so will destroy all the data contained on the Fusion volume, so make a backup first. You can also use terminal commands to join a SSD and a Hard Disk into a logical Fusion volume. A Google search will reveal many articles on doing this and any benefits to be gained.
  3. nambuccaheadsau macrumors 65816


    Oct 19, 2007
    Nambucca Heads Australia
    The SSD part is a blade PCI-e drive, and the hard drive bis a 7200rpm platter drive. For mine the best option is (1) a 1TB Flash drive, (2) a 1TB SSD and (3) the Fusion drive. How old is the computer? If within fourteen days and not satisfied take it straight back and exchange for option 1 or 2, at an increased price of course.

    Opening your Mac, apart from being difficult, will void the warranty.
  4. Sid The Kid thread starter Suspended

    Jul 10, 2017
    (1) 1TB Flash Drive and (2) 1TB SSD are the same thing no?
    --- Post Merged, Jul 11, 2017 ---
    So it will be like in this video? (late 2015 27" iMac):


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